Merge pull request #84 from sul-dlss/adjust-scope

Broaden the scope of the selector for facet value

app/assets/javascripts/blacklight/hierarchy/blacklight_hierarchy_controller.js

@@ -6,13 +6,17 @@ export default class extends Controller {
     this.element.classList.add("twiddle")
 
     // If a child facet-value is selected, then expand the node
-    if (this.element.querySelector(':scope > span.selected')) {
+    if (this.isChildSelected()) {
       this.element.classList.add('twiddle-open')
       this.element.querySelectorAll(':scope > .collapse')
         .forEach((collapsable) => collapsable.classList.add('show'))
     }
   }
 
+  isChildSelected() {
+    return this.element.querySelector('span.selected')
+  }
+
   toggle() {
     this.element.classList.toggle("twiddle-open")
   }